JPS58165657A - Linear motor with brush - Google Patents
Linear motor with brushInfo
- Publication number
- JPS58165657A JPS58165657A JP4821782A JP4821782A JPS58165657A JP S58165657 A JPS58165657 A JP S58165657A JP 4821782 A JP4821782 A JP 4821782A JP 4821782 A JP4821782 A JP 4821782A JP S58165657 A JPS58165657 A JP S58165657A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- gap
- magnetic flux
- brush
- magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
- H02K41/0352—Unipolar motors
- H02K41/0354—Lorentz force motors, e.g. voice coil motors
- H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Linear Motors (AREA)
Abstract
Description
【発明の詳細な説明】
本発明はコイルに電流を流すブラシを備えたブラシ付き
りニアモータに係り、電流の増大化を図り、電流源から
ブラシに電流を流す導電線の断線を防止することを目的
とする。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a brush-equipped near motor equipped with a brush that allows current to flow through a coil, and aims to increase the current and prevent disconnection of the conductive wire that flows current from the current source to the brush. purpose.
従来のりニアモータは第１図に示すように、ボビン１の
外周上に密着して配置されているら旋状の被覆４電緋の
コイル２を備えている。上記コイル２に４電線３を通じ
て電流が流された場合、コイル２は発熱し、この熱によ
って被覆導電線の絶縁被覆が破壊するだめ、コイル２に
流すことができる電流値は限定されていた。リニアモー
タの出力はこの電流値に比例するため、コイル２に流す
ことができる電流値の限界がリニアモータの出力の限界
を決定し、大きな出力が得られなかった。As shown in FIG. 1, the conventional linear motor is equipped with a helical-shaped coil 2 coated with four electric scarlets and disposed closely on the outer periphery of a bobbin 1. When a current is passed through the coil 2 through the four electric wires 3, the coil 2 generates heat, and this heat destroys the insulation coating of the covered conductive wire, so the current value that can be passed through the coil 2 is limited. Since the output of the linear motor is proportional to this current value, the limit of the current value that can be passed through the coil 2 determines the limit of the output of the linear motor, and a large output cannot be obtained.
また、リニアモータの駆動時はコイル２が矢印Ｘ方向に
往後運動を繰り返し、導電線３に繰り返し応力が負荷さ
れ、導電線３が断線するという欠点を有していた。Further, when the linear motor is driven, the coil 2 repeatedly moves back and forth in the direction of the arrow X, and stress is repeatedly applied to the conductive wire 3, causing the conductive wire 3 to break.
本発明は上記従来の欠点を解消するもので、以下にその
確実施１５’ｌＪを第２〜６図に基づいて説明する。The present invention solves the above-mentioned conventional drawbacks, and its reliable application 15'lJ will be explained below based on FIGS. 2 to 6.
第２〜３図において、４はボビンで、外周面に連続した
ら旋状の溝が形成された電気絶縁体で材質はセラミック
である。６はコイルで、ボビン４の外周面のら旋状の溝
に電気導体金属が鋳造等によって充てんされ、隣接する
溝内の電気導体金属は互いに絶縁されることによって形
成されている。In FIGS. 2 and 3, a bobbin 4 is an electrical insulator having continuous spiral grooves formed on its outer circumferential surface, and is made of ceramic. Reference numeral 6 denotes a coil, which is formed by filling a spiral groove on the outer peripheral surface of the bobbin 4 with electrically conductive metal by casting or the like, and electrically conductive metals in adjacent grooves are insulated from each other.
第４図において７は磁石、８はセンタポール、９はヨー
クである。センタポール８の一端は磁石７のＳ極側に接
着され、センタポール８の他端はボビン４の内部に備わ
り、センタポール先端部１０の外周面はボビン４の内周
面とわずかな間隙を保っている。ヨーク９の中央部は磁
石７のＮ極側に接着され、ヨーク両先端部１１は、コイ
ル６の外周部に備わり、ヨーク両先端部１１の内周面は
コイル６の外周面とわずかな間隙を保っている。磁８と
ヨーク９とで構成され、矢印Ｂ方向に磁束が流れる。セ
ンタポール先端部１ｏとヨーク両先端部１１との間隙に
、磁束ギャップ１２が構成されコイル６は磁束ギャップ
１２の中に配置されている。ボビン４の運動は矢印Ｃ方
向で同一直線上の往復運動のみとなるように、軸１３は
軸受１４に支持され、矢印Ｃ方向に摺動が可能である。In FIG. 4, 7 is a magnet, 8 is a center pole, and 9 is a yoke. One end of the center pole 8 is glued to the S pole side of the magnet 7, and the other end of the center pole 8 is provided inside the bobbin 4, with the outer peripheral surface of the center pole tip 10 leaving a slight gap with the inner peripheral surface of the bobbin 4. I keep it. The center part of the yoke 9 is glued to the N pole side of the magnet 7, and both yoke tips 11 are provided on the outer periphery of the coil 6, and the inner circumference of the yoke tips 11 has a slight gap with the outer circumference of the coil 6. is maintained. It is composed of a magnet 8 and a yoke 9, and magnetic flux flows in the direction of arrow B. A magnetic flux gap 12 is formed in the gap between the center pole tip 1o and both yoke tips 11, and the coil 6 is disposed within the magnetic flux gap 12. The shaft 13 is supported by a bearing 14 and is slidable in the direction of the arrow C so that the movement of the bobbin 4 is only a reciprocating motion on the same straight line in the direction of the arrow C.
コイル６の内、磁束ギャップ１２の中に位置している部
分のコイル６に電流が流れるように、磁束ギヤノブを隔
てて一対のブラシ１５がコイル６に付設されている。他
の一対のブラシ１６はボビン４の中心線に対してブラシ
１ｂと対称の位置にコイル６に付設される。ブラシ１５
は矢印り方向にパイ、１８によって、まだブラシ１６は
矢印Ｅ方向にバネ１９によって力を加えられて、ブラシ
１５および７゛″”６と°１″６と０間０接触圧力に１
° ・、で、ブラシ１５およびブラシ１６か
らコイル６に電流が流される。ブラシ１５およびブラシ
１６はコイル６と接触して摩耗するだめに、ブラシ１５
とブラシ１６は交換可能な構成にされている。１９は導
電線で、図示されていない電流源からブラシ１６に電流
を流す。２ｏも導電線でブラン１６に′電流を流す。ブ
ラシは１対でもよいが、ブラシとコイルとの接触面積が
大きくなり、コイルに加えられる力の平衡が保たれるた
めには、ブラシは２対以−Ｌの偶数組が望ましい。導電
線１９と導電線２ｏは並列に結線されている。A pair of brushes 15 are attached to the coil 6 across the magnetic flux gear knob so that current flows through the portion of the coil 6 located within the magnetic flux gap 12. Another pair of brushes 16 are attached to the coil 6 at positions symmetrical to the brush 1b with respect to the centerline of the bobbin 4. brush 15
is in the direction of the arrow E, and the brush 16 is applied with a force by the spring 19 in the direction of the arrow E, so that the contact pressure between the brushes 15 and 7''6 and 1'' is 0.
° ·, current is passed from the brush 15 and the brush 16 to the coil 6. To prevent the brushes 15 and 16 from coming into contact with the coil 6 and being worn out, the brushes 15 and 16 are
and the brush 16 are configured to be replaceable. Reference numeral 19 denotes a conductive wire through which current flows from a current source (not shown) to the brush 16. 2o is also a conductive wire that passes current through the blank 16. Although a single pair of brushes may be used, in order to increase the contact area between the brush and the coil and to maintain a balance of the force applied to the coil, it is desirable to use an even number of 2 or more pairs of brushes. The conductive wire 19 and the conductive wire 2o are connected in parallel.
上記構成において、導電線１９からブラシ１５に導電線
２ｏからブラシ１６に通電され、コイルらに電流が流さ
れた場合、ローレンツ力によってコイル６は矢印Ｃ方向
に力を受け、上記力はボビン４から軸１３に伝わり、負
性が駆動される。ボビン４は電気絶縁体であり、コイル
６を形成する電気導体金属は、隣接する電気導体金属と
互いに分離されているだめ、電気導体金属が融点の温度
に上昇するか、放電が起こる大きさまで、コイル６にυ
止す電流を大きくすることができる。また、リニアモー
タの駆動時には、コイル６は往復運動を繰り返すだめ、
電流が流れない部分のコイル６では放熱が可能になり、
コイル６の温度上昇を緩和することができる。さらにコ
イル６が往復運動を行なっている場合においても、導電
線１９および導電線２０は静止し、力を受けないため、
断線することはない。In the above configuration, when current is applied from the conductive wire 19 to the brush 15 and from the conductive wire 2o to the brush 16, and current is passed through the coils, the coil 6 receives a force in the direction of arrow C due to Lorentz force, and the above force is applied to the bobbin 4. The negative voltage is transmitted to the shaft 13 and driven. The bobbin 4 is an electrical insulator and the electrically conductive metal forming the coil 6 is separated from each other from adjacent electrically conductive metals until the temperature of the electrically conductive metal rises to its melting point or a discharge occurs. υ to coil 6
The current to be stopped can be increased. Also, when driving the linear motor, the coil 6 must repeat reciprocating motion.
Heat can be dissipated in the coil 6 where no current flows,
The temperature rise of the coil 6 can be alleviated. Furthermore, even when the coil 6 is reciprocating, the conductive wire 19 and the conductive wire 20 are stationary and do not receive any force.
There will be no disconnection.
第６図は本発明の他の実施例で、磁石２１と、センタポ
ール２２と、ヨーク２３とで破線２３のごとく磁気回路
を構成し、矢印Ｇ方向の磁束密度が存在し、この場合は
、磁石２１と、センタポール２２との間隙に磁束ギャッ
プ２４を構成し、磁束ギヤツブ２４円にコイル２５が配
置された外磁型のブラシ付きりニアモータで、内磁型の
ブラシ付きりニアモータと同様の効果を得ることができ
る。FIG. 6 shows another embodiment of the present invention, in which a magnet 21, a center pole 22, and a yoke 23 constitute a magnetic circuit as shown by a broken line 23, and a magnetic flux density exists in the direction of arrow G. In this case, This is an outer magnet type brushed near motor in which a magnetic flux gap 24 is formed in the gap between the magnet 21 and the center pole 22, and a coil 25 is arranged in the magnetic flux gear 24 circle. effect can be obtained.
このように本発明によれば、コイルが高温になったとし
ても隣接する′ａ気導体金属間の絶縁は保たれ、電流が
流れていない部分のコイルは放熱かり能で、コイルに大
きな電流を流すことができるので、従来のりニアモータ
より小型でも大きな出力を発生することができ、さらに
ブラシを通じてコイルに電流が流されるので、導電線の
断崖が防止されることの効果を発揮するものである。As described above, according to the present invention, even if the coil becomes hot, the insulation between adjacent gas conductor metals is maintained, and the portions of the coil where no current is flowing can dissipate heat, allowing large currents to flow through the coil. Because current can be passed through the motor, it is possible to generate a larger output even though it is smaller than conventional linear motors.Furthermore, since current is passed through the brush to the coil, it is effective in preventing cliffs in the conductive wire.
第１図は従来のリニアモータの断面図、第２図は本発明
の一実施例におけるブラシ付きりニアモータに設けられ
たボビンの断面図、第３図は同コイルの断面図、第４図
は本発明の一実施例における内磁型のプラン付きリニア
モータの断面図、第５図は本発明の他の実施列における
外磁型のブラシ付き・リニアモータの餌面図である。
４・・・・・・ボビン、５・・・・・・ら旋状の隣、６
・・・・・・コイル、７・ｅ・ｌｌｌ１ｅ磁石、８・・
・＠０センタボール、９１１ＩＩｌ・・ヨーク、１２・
■・・・磁束ギャップ、１６・・・・ブラシ、１７・・
・・・・ブラシ、Ｂ・・・・・・磁気回１１２１・・・
争・・磁石、２２＠拳＋１１１１Ｉ・センタポール、２
４・・・・・・磁束ギャップ、Ｆ・・・・・・磁気回路
。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第１
図Fig. 1 is a sectional view of a conventional linear motor, Fig. 2 is a sectional view of a bobbin provided in a brushed linear motor according to an embodiment of the present invention, Fig. 3 is a sectional view of the same coil, and Fig. 4 is a sectional view of the coil. FIG. 5 is a sectional view of an internal magnetic type linear motor with a plan according to an embodiment of the present invention, and FIG. 5 is a feed side view of an external magnetic type brushed linear motor according to another embodiment of the present invention. 4...Bobbin, 5...Next to spiral, 6
・・・・・・Coil, 7・e・lll1e magnet, 8・・
・@0 center ball, 911IIl...York, 12・
■...Magnetic flux gap, 16...Brush, 17...
...Brush, B...Magnetic rotation 1121...
War...Magnet, 22@Fist+1111I Center pole, 2
4... Magnetic flux gap, F... Magnetic circuit. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
figure
Claims (3)
旋状の溝を形成し、前記ら旋状の溝の中に電気導体金属
を有したコイルと、少なくとも一対のブラシと、磁石と
、センタポールと、ヨークとから取り、上Ｈｊ磁石と、
上記センタポールと、上記ヨークにより磁気回路が構成
され、この磁気回路内に磁束ギャップを形成し、この磁
束ギャップ内に上記コイルを設け、上記一対のブラシが
、磁束ギャップを隔ててコイルに付設されたブラシ付き
りニアモータ。(1) A coil having a continuous spiral groove formed on the outer peripheral surface of a bobbin made of an electrical insulator, and having an electrically conductive metal in the spiral groove, at least one pair of brushes, and a magnet; Take from the center pole and yoke, and the upper Hj magnet,
A magnetic circuit is formed by the center pole and the yoke, a magnetic flux gap is formed in the magnetic circuit, the coil is provided within the magnetic flux gap, and the pair of brushes are attached to the coil across the magnetic flux gap. Near motor with brush.
ヨークとの間隙に磁束ギャップが形成され、この磁束ギ
ャップ内にコイルが配置されて内磁型である特許請求の
範囲第１項記載のブラシ付きリニアモータ。(2) A brush according to claim 1, wherein a magnetic flux gap is formed in a gap between the center pole and the yoke that constitute the magnetic circuit, and a coil is disposed within the magnetic flux gap, so that the brush is of an internal magnetic type. with linear motor.
隙に磁束ギャップが形成され、この磁束ギャップ内にコ
イルが配置されて外磁型である特許請求の範囲第１項記
載のプラン付きリニアモータ。(3) A linear with plan according to claim 1, wherein a magnetic flux gap is formed in the gap between the magnets constituting the magnetic circuit and the center pole, and a coil is disposed within this magnetic flux gap to form an external magnet type. motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4821782A JPS58165657A (en) | 1982-03-25 | 1982-03-25 | Linear motor with brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4821782A JPS58165657A (en) | 1982-03-25 | 1982-03-25 | Linear motor with brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58165657A true JPS58165657A (en) | 1983-09-30 |
Family
ID=12797240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4821782A Pending JPS58165657A (en) | 1982-03-25 | 1982-03-25 | Linear motor with brush |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58165657A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2503677A3 (en) * | 2011-03-25 | 2013-09-11 | Tai-Her Yang | Reciprocal vibration type power generator equipped with inner columnar and outer annular magnetic motion block |
| EP2503678A3 (en) * | 2011-03-25 | 2013-10-16 | Tai-Her Yang | Power storage device of vibration type power generation equipped with inner columnar and outer annular magnetic motion block |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4887310A (en) * | 1972-02-18 | 1973-11-16 |
-
1982
- 1982-03-25 JP JP4821782A patent/JPS58165657A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4887310A (en) * | 1972-02-18 | 1973-11-16 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2503677A3 (en) * | 2011-03-25 | 2013-09-11 | Tai-Her Yang | Reciprocal vibration type power generator equipped with inner columnar and outer annular magnetic motion block |
| EP2503678A3 (en) * | 2011-03-25 | 2013-10-16 | Tai-Her Yang | Power storage device of vibration type power generation equipped with inner columnar and outer annular magnetic motion block |
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